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Finding the Fourth Proportional to 202,200.40, 303,519.30 and 113,626.90

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Solution

The fourth proportional to 202,200.40, 303,519.30 and 113,626.90 is: 170,563.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    202,200.40 : 303,519.30 = 113,626.90 : x
  2. Step 2: Convert to fraction form
    202,200.40/303,519.30 = 113,626.90/x
  3. Step 3: Cross multiply
    202,200.40x = 303,519.30 × 113,626.90
  4. Step 4: Simplify right side
    202,200.40x = 34,487,957,149.17
  5. Step 5: Solve for x
    x = 34,487,957,149.17/202,200.40
  6. Step 6: Final answer
    x = 170,563.25

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.